package org.example.config;

import lombok.extern.slf4j.Slf4j;
import org.example.common.JacksonObjectMapper;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.cbor.MappingJackson2CborHttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }


    /*
    *扩展mvc消息转换器
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器");

        //创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter=new MappingJackson2HttpMessageConverter();
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将消息转换器追加到mvc框架中,放到最前面
        converters.add(0,messageConverter);
    }
}
